London, or Remote UK Hybrid Full-time GBP 140,000 – 175,000 / year

Monzo is hiring a Staff Machine Learning Scientist, Financial Crime

Responsibilities

  • Lead the evolution of a scalable, automated system for detecting fraud and financial crime, balancing security with customer experience and cost efficiency.
  • Ensure detection models remain effective and responsive to emerging fraud patterns over time.
  • Deliver high-impact machine learning solutions with strong technical leadership.
  • Identify top-priority areas across the FinCrime team and lead the creation of technical solutions.
  • Collaborate with product managers, data scientists, engineers, and designers in an agile workflow.
  • Guide senior stakeholders and contribute to shaping long-term FinCrime strategy.
  • Elevate technical standards and practices within the machine learning function.
  • Partner across departments to define and prioritize machine learning opportunities in fraud prevention.
  • Advance detection capabilities using deep learning, graph networks, and sequence modeling techniques.
  • Mentor team members and exemplify best practices to strengthen machine learning expertise.
  • Collaborate with MLOps to improve tooling for faster model iteration and full lifecycle optimization.

Benefits

  • Stock compensation
  • Annual learning budget of £1,000 for books, courses, and conferences
  • Flexible working hours
  • Relocation support to the UK
  • Visa sponsorship
  • Option for part-time work when feasible
  • Occasional in-person meetings in London

Compensation

Stocks

Work Arrangement

Hybrid — London, Remote UK

Team

Machine Learning

Other

  • This role can be based in the London office or remote within the UK.
  • Flexible working hours: trust you to work enough hours to do your job well, at times that suit you and your team.
  • Learning budget of £1,000 a year for books, training courses and conferences.
  • Part-time work is possible whenever feasible.
  • Ad hoc meetings in London.
  • Relocation to the UK is supported.
  • Visa sponsorship is available.

Available

About company
Monzo
Monzo offers personal and business bank accounts, joint accounts, accounts for 16-17 year olds, free kids accounts, credit cards, savings, investments, and pension combination services in the UK. Known for hot coral cards, get-paid-early feature, financial education on social media, and award-winning customer service.
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Job Details
Department Machine Learning, Financial Crime
Category Data & ML
Posted 2 hours ago